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Sensitivity to Imperfections of Perforated Pallet Rack Sections

Ungureanu V., Dubina D.

Mechanics and Mechanical Engineering

2013

Vol. 17, nr 2

207--220

The paper analyses the influence of imperfections on the behaviour of perforated pallet rack members in compression using non-linear FE simulations. The effect of imperfections, perforations and buckling modes, reduces significantly the capacity of perforated members in compression, especially in the coupling range due to interaction. A sensitivity analysis done using calibrated and validated numerical models can be done in order to determine the most detrimental combinations of imperfections to be considered for numerical simulations. The ECBL approach can be successfully applied to perform a sensitivity analysis via numerical simulations, using a limited number of experimental tests.